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CPC Subgroup
F15B 21/04

Special measures taken in connection with the properties of the fluid

Full Title

Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass > Special measures taken in connection with the properties of the fluid

6 direct subcodes

Child Classifications

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  • F15B 21/041 Removal or measurement of solid or liquid contamination, e.g. filtering
  • F15B 21/044 Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
  • F15B 21/045 Compensating for variations in viscosity or temperature
  • F15B 21/047 Preventing foaming, churning or cavitation
  • F15B 21/048 Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators